MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 33709e54333a4b6cc832c1cfbc3eae6d7c256642931f2fb6e47d26bb2d191cfa. While MalwareBazaar tries to identify whether the sample provided is malicious or not, there is no guarantee that a sample in MalwareBazaar is malicious.

Database Entry


Formbook


Vendor detections: 14


Intelligence 14 IOCs YARA 2 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 33709e54333a4b6cc832c1cfbc3eae6d7c256642931f2fb6e47d26bb2d191cfa
SHA3-384 hash: 112ebea97b05ea2ae054bc7d587bac1d17016251ee88e6ac1132dcd4b0e532b99bb42228205df8b3d4ca2f25528138c3
SHA1 hash: 4c6d24c796faebc2b54f981e2f8127187b08aa4b
MD5 hash: e823afd1e909b794b2f2602ecadd15cc
humanhash: oregon-quebec-item-summer
File name:kCGCNKYCnqgQSEJ.exe
Download: download sample
Signature Formbook
Create hunting rule
File size:565'248 bytes
First seen:2022-12-01 05:17:51 UTC
Last seen:2022-12-01 06:30:40 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'742 x AgentTesla, 19'607 x Formbook, 12'242 x SnakeKeylogger)
ssdeep 6144:KoLEvklriDeOCH0IG0ocHtIgzH7R4u8pHrjstXlTna84yMDFqrnHKzYPrAV3+go4:FGqGNoC4P8Lj87QyMUjHZi3+U49jq
TLSH T18DC4129E23D51351DC9A47B0F821A4C91F3239A9AE52CADF9DC371936D3AB7CA101B43
TrID 69.7% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
10.0% (.EXE) Win64 Executable (generic) (10523/12/4)
6.2% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
4.2% (.EXE) Win32 Executable (generic) (4505/5/1)
1.9% (.EXE) Win16/32 Executable Delphi generic (2072/23)
File icon (PE):PE icon
dhash icon 4cdcb2aaaaaa8ad4 (6 x AgentTesla, 5 x Formbook, 2 x AveMariaRAT)
Reporter Anonymous
Tags:exe FormBook

Intelligence

File Origin
# of uploads :
2
# of downloads :
180
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
formbook
Create hunting rule
ID:
1
File name:
kCGCNKYCnqgQSEJ.exe
Verdict:
Malicious activity
Analysis date:
2022-12-01 05:20:03 UTC
Tags:
formbook xloader trojan stealer
Link:
https://app.any.run/tasks/0e797994-d97e-4e63-836c-03801a36d766

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
n/a
Link:
https://www.capesandbox.com/analysis/340972/
Detection(s):
SecuriteInfo.com.Win32.PWSX-gen.21935.22175.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Unauthorized injection to a recently created process
Creating a file
Launching a process
Unauthorized injection to a system process
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
packed
Link:
https://www.filescan.io/uploads/6388451bb3f510cc3da44dbe/reports/9bbe0ad2-af83-4ee4-8a4f-a121c2df382f/overview
Result
Verdict:
UNKNOWN
Details
Windows PE Executable
Found a Windows Portable Executable (PE) binary. Depending on context, the presence of a binary is suspicious or malicious.
Malware family:
Formbook
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/d1e40446-3952-4be7-869e-df0e4cde4146
Result
Threat name:
FormBook
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1124912
Signature
.NET source code contains potential unpacker
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
Deletes itself after installation
Injects a PE file into a foreign processes
Machine Learning detection for sample
Malicious sample detected (through community Yara rule)
Maps a DLL or memory area into another process
Modifies the context of a thread in another process (thread injection)
Multi AV Scanner detection for submitted file
Queues an APC in another process (thread injection)
Sample uses process hollowing technique
System process connects to network (likely due to code injection or exploit)
Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)
Tries to harvest and steal browser information (history, passwords, etc)
Tries to steal Mail credentials (via file / registry access)
Uses netstat to query active network connections and open ports
Yara detected AntiVM3
Yara detected FormBook
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 757634 Sample: kCGCNKYCnqgQSEJ.exe Startdate: 01/12/2022 Architecture: WINDOWS Score: 100 34 Malicious sample detected (through community Yara rule) 2->34 36 Antivirus detection for URL or domain 2->36 38 Multi AV Scanner detection for submitted file 2->38 40 6 other signatures 2->40 8 kCGCNKYCnqgQSEJ.exe 3 2->8         started        process3 file4 22 C:\Users\user\...\kCGCNKYCnqgQSEJ.exe.log, ASCII 8->22 dropped 50 Injects a PE file into a foreign processes 8->50 12 kCGCNKYCnqgQSEJ.exe 8->12         started        signatures5 process6 signatures7 52 Modifies the context of a thread in another process (thread injection) 12->52 54 Maps a DLL or memory area into another process 12->54 56 Sample uses process hollowing technique 12->56 58 Queues an APC in another process (thread injection) 12->58 15 explorer.exe 12->15 injected process8 dnsIp9 24 pp.3105.net 93.179.124.38, 49709, 49710, 80 IT7NETCA Canada 15->24 26 www.new-thinking.digital 62.233.121.61, 49707, 80 IOMART-ASGB United Kingdom 15->26 28 3 other IPs or domains 15->28 30 System process connects to network (likely due to code injection or exploit) 15->30 32 Uses netstat to query active network connections and open ports 15->32 19 NETSTAT.EXE 13 15->19         started        signatures10 process11 signatures12 42 Tries to steal Mail credentials (via file / registry access) 19->42 44 Tries to harvest and steal browser information (history, passwords, etc) 19->44 46 Deletes itself after installation 19->46 48 2 other signatures 19->48
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/33709e54333a4b6cc832c1cfbc3eae6d7c256642931f2fb6e47d26bb2d191cfa/
Threat name:
Win32.Trojan.Woreflint
Create hunting rule
Status:
Malicious
First seen:
2022-12-01 04:59:46 UTC
File Type:
PE (.Net Exe)
Extracted files:
17
AV detection:
16 of 26 (61.54%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=gnyj4vbthjfwzsbsyhh3ypvonv6ckzscsmps7nxeputlwlizdt5a._file
Verdict:
malicious
Label(s):
formbook
Create hunting rule
Result
Malware family:
formbook
Create hunting rule
Score:
  10/10
Tags:
family:formbook campaign:rjwn rat spyware stealer trojan
Link:
https://tria.ge/reports/221201-fza6rscb3s/
Behaviour
Modifies Internet Explorer settings
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: GetForegroundWindowSpam
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of FindShellTrayWindow
Suspicious use of SendNotifyMessage
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
Checks computer location settings
Loads dropped DLL
Formbook
Verdict:
Suspicious
Tags:
n/a
YARA:
n/a
Link:
https://app.threat.zone/submission/0eee2850-fb82-4200-9ac7-5599914950f5
Unpacked files
SH256 hash:
3abfab355e4628d70e601b31938b565031bc8f4ef4674cb089dadbe8f2cd9914
MD5 hash:
4f596a3e67a4e29299afa911c920dce5
SHA1 hash:
285fe3f7488a3e84ab7c97ab28d1b52037f9486c
Detections:
XLoader
Create hunting rule
win_formbook_auto
Create hunting rule
win_formbook_g0
Create hunting rule
Link:
https://www.unpac.me/results/1f9356a1-f79c-4575-8cdb-ad7c39cd6e97/
SH256 hash:
2a4b5f60b11d49792d19bfa785c7724b9c18b23ad508a18f3f3a4aee99a99bfb
MD5 hash:
818bbd33f29c621d4d006cb9e8c5c338
SHA1 hash:
38bc1cc65df7a45396c209b9cf0447abb3599902
Link:
https://www.unpac.me/results/1f9356a1-f79c-4575-8cdb-ad7c39cd6e97/
SH256 hash:
3624268b1bf67fd3f560f345e5171f3a2f8968a776c23816ea76fc0ef41b0f03
MD5 hash:
1619753b625e58c25b73fbf1f0bff482
SHA1 hash:
c0d7922bdbc10ef0ee1606a40c2dedd22cb180d4
Link:
https://www.unpac.me/results/1f9356a1-f79c-4575-8cdb-ad7c39cd6e97/
SH256 hash:
d1ee7454c3f3e7e7db5b2787f1ae235316c752bda7d4b53eb83125dd033f6b2e
MD5 hash:
3d880829827747b4875376e693f57d9f
SHA1 hash:
6f4779b1d67fb34ba372818cf5752cebb5e056cd
Link:
https://www.unpac.me/results/1f9356a1-f79c-4575-8cdb-ad7c39cd6e97/
SH256 hash:
340ba2312d5cdfc3d89f3f35f627187dcb406e5afea134bc76b04f52f4285df3
MD5 hash:
85f9290aa8900e9fd74b01ee23125706
SHA1 hash:
310eb5e4aea5471b74a6385f1da283b9d8e3d698
Link:
https://www.unpac.me/results/1f9356a1-f79c-4575-8cdb-ad7c39cd6e97/
SH256 hash:
021ca6edfa952ff9af248e1df22b97c0767d1b5770bf79f20338369562da0dbb
MD5 hash:
57009f2bb93fff2982121965b7075bc9
SHA1 hash:
0d309400d059b141ab2d0a9d9f77e5a60e7ece65
Link:
https://www.unpac.me/results/1f9356a1-f79c-4575-8cdb-ad7c39cd6e97/
SH256 hash:
33709e54333a4b6cc832c1cfbc3eae6d7c256642931f2fb6e47d26bb2d191cfa
MD5 hash:
e823afd1e909b794b2f2602ecadd15cc
SHA1 hash:
4c6d24c796faebc2b54f981e2f8127187b08aa4b
Link:
https://www.unpac.me/results/1f9356a1-f79c-4575-8cdb-ad7c39cd6e97/
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Suspicious File
Score:
0.65
Link:
https://yomi.yoroi.company/submissions/33709e54333a4b6cc832c1cfbc3eae6d7c256642931f2fb6e47d26bb2d191cfa

YARA Signatures

MalwareBazaar uses YARA rules from several public and non-public repositories, such as YARAhub and Malpedia. Those are being matched against malware samples uploaded to MalwareBazaar as well as against any suspicious process dumps they may create. Please note that only results from TLP:CLEAR rules are being displayed.

Rule name:pe_imphash
Create hunting rule
Rule name:Skystars_Malware_Imphash
Create hunting rule
Author:Skystars LightDefender
Description:imphash

File information

The table below shows additional information about this malware sample such as delivery method and external references.

Malspam

Formbook

Executable exe 33709e54333a4b6cc832c1cfbc3eae6d7c256642931f2fb6e47d26bb2d191cfa

(this sample)

  
Dropped by
formbook
  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/340972/

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